No | Pattern | Freq | Relations |
---|---|---|---|
1 | is [adj] [conj] [adj] [noun] | 1696 | |
2 | is [adj] [conj] [adj] [noun] | 1465 | |
3 | [be] essential [conj] [adj] [noun] | 80 | |
4 | be essential [conj] [adj] [noun] | 80 | |
5 | [is] essential [conj] [adj] [noun] | 73 | |
6 | is essential [conj] [adj] [noun] | 72 |